The Problem of Tension-Torsion of Pretwisted Elastic Beams Revisited
Date
2022Language
en
Keyword
Abstract
A one-dimensional technical theory for pretwisted isotropic linearly elastic beams loaded in tension and torsion was developed. The analysis was based on a kinematically admissible field written in terms of three generalized displacements, which were determined from the theorem of minimum potential energy. A general analytical solution was developed. The problem of a pretwisted beam with a built-in end and loaded in tension and torsion at the other end was analyzed. The problem also was solved by carrying out detailed three-dimensional finite-element calculations. The predictions of the technical theory agreed very well with the results of the finite-element solution. The effects of Poisson's ratio were examined, and the applicability of the model to beams of various lengths was discussed. © 2021 American Society of Civil Engineers.
Collections
Related items
Showing items related by title, author, creator and subject.
-
Pretwisted beams in axial tension and torsion: Analogy with dipolar gradient elasticity and applications to textile materials
(2015)A technical theory for pretwisted beams that accounts for variable twist (constrained warping) is based on an approximate displacement field that is defined completely in terms of two unknown functions: the axial displacement ... -
THAP1 mutations and dystonia phenotypes: Genotype phenotype correlations
(2012)THAP1 mutations have been shown to be the cause of DYT6. A number of different mutation types and locations in the THAP1 gene have been associated with a range of severity and dystonia phenotypes, but, as yet, it has been ... -
Isolated fallopian tube torsion: A rare diagnosis in a perimenopausal patient with adnexal mass and raised Ca 19-9: Endoscopic management and review
(2005)Isolated torsion of the fallopian tube in perimenopausal women is very rare. A patient who presented with an adnexal mass with possible ovarian torsion and with a raised Ca 19-9 titer is reported. A 48-year-old perimenopausal ...